Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Mongolian
эргэх
←
Buryat
эрьехэ
(cognate)
←
Buryat
эрьелдэхэ
(mention)
←
Kalmyk
эргх
(cognate)
←
Mangghuer
herge
(cognate)
←
Proto-Mongolic
*hergi-
(inherited)
→
Mongolian
эргүүлэх
(suffix)
→
Mongolian
эргэлзэх
(suffix)